338 GLUMACE.E 



- inch long ; glume of lower flower with a long ben': awn. Mea- 

 dows, hedges, and thickets ; common. Fl. June. Perennial. 

 (PI. xciii.) 



29. Sieglingia (Heath-Grass) 



1. 5. decumbens (Decumbent Heath-Grass). Commonly called 

 Triodia decumbens. Tufted, 6-12 inches high ; leaves long, narrow, 

 with a few long hairs on their sheaths and edges and a tuft in place 

 of the ligule ; spikdets seldom more than 5 or 6, J-^ inch long 

 Dry heaths and pastures ; rather common. Fl. July. Perennial. 

 (PI xcvi.) 



30. Koeleria (Crested Hair-Grass) 



1. K. cristata (Crested Hair-Grass). Usually about 6 inches 

 high, with a basal tuft of short leaves, but sometimes stems and leaves 

 are as much as 1 foot long ; spike 1-2 inches long or more, rather 

 irregular, the lower clusters of spikelets being more or less distant, 

 shining silvery grey ; spikelets 2- or 3-flowcred ; glumes |- inch 

 long, very pointed. Dry pastures ; common. Fl. June, July. 

 Perennial. 



31. Melica (Melic-Grass) 



1. M. moniana (Mountain Melic-Grass). Slender, erect, 1-2 feet 

 high ; leaves erect, flat ; panicle i-sided, 2-3 inches long ; spikelets 

 about 10-15, drooping, J- inch long, each 2-flowered. Woods and 

 shady banks in hilly districts ; rather scarce. Fl. May, June. 

 Perennial. 



2. M. nutans (Wood Melic-Grass). slender than M. mon- 

 iana ; panicle sometimes reduced to a simple raceme with only 

 3 or 4 spikelets ; spikelets inch long, [-flowered. Woods 

 and shady places ; frequent. Fl. May, June. Perennial. 



32. Molinia (Purple Molinia or Purple }[elic-Grass) 



1. M. varia (Purple Molinia or Purple Melic-Grass). Also known 

 as M. ccerulea. A rather stiff, coarse grass, often 3 feet high, form- 

 ing large tufts ; panicle narrow, loose, 6-12 inches long, green or 

 purplish ; spikelets erect, narrow, pointed, \-\ inch long, usually 

 about 3-flowered. Heaths and moist woods ; common. Fl. July, 

 August. Perennial. 



33. Poa (Meadovu-Grass) 

 * Annual 



1. P. annua (Annual Meadow-Grass). Tufted, up to about 

 6 inches high ; leaves flat, flaccid, bright green ; panicle loose, 

 spreading, ii-3 inches long ; spikelets all stalked, oblong or linear, 

 each usually 3-6-flowered, without woolly hairs on the axis ; //< 

 ing glumes membranous at the top, keeled from the base. Cultivated 

 and waste places ; very common Fl nearly all the year. Annual. 

 (PI. xcv.) 



